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CO open raise range at 20bb — 9-max tournament (MTT)

9-max · tournaments · 20bb eff

At 20bb effective in a 9-max tournament (MTT), GTO preflop strategy plays 33.8% of hands from the Cutoff when the action folds to you: 28.4% open raise to 2bb, 5.4% limp, and 66.2% fold. 70 of the 169 starting hands are played as a mixed strategy rather than a pure one. For comparison, the same seat at 15bb plays 36.6% — 2.8 points tighter. At this depth, Hijack plays 26.9%.

Open raise all in3%40 combos
Open raise 2bb25.4%336 combos
Limp5.4%72 combos
Fold66.2%878 combos
Same seat, other stacks
10bb15bb20bb25bb30bb40bb
Same stack, other seats
EP1EP2MP1MP2HJCOBTNSB
Range in text form
Pure opens (100%): 33, ATs, A5s, KQs+, JTs+, A4o
Opened at 50%+ frequency: 33+, A3s+, K4s+, Q5s+, J7s+, T7s+, 97s+, 86s+, 76s+, 65s+, A7o+, A5o-A4o, K9o+, QTo+, JTo+, T9o+
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Frequently asked

What percentage of hands should you open from the Cutoff at 20bb?

In a 9-max tournament (MTT) at 20bb effective, GTO strategy plays 33.8% of hands, mostly as an open raise to 2bb.

What is the standard open raise size from the Cutoff at 20bb?

2bb. The size comes from the solution itself, not a convention.

Which hands are always opened from the Cutoff at 20bb?

The pure (100% frequency) part of the range is: 33, ATs, A5s, KQs+, JTs+, A4o.